26009623 has 2 divisors, whose sum is σ = 26009624. Its totient is φ = 26009622.

The previous prime is 26009617. The next prime is 26009629. The reversal of 26009623 is 32690062.

It is a balanced prime because it is at equal distance from previous prime (26009617) and next prime (26009629).

It is a cyclic number.

It is not a de Polignac number, because 26009623 - 2⁹ = 26009111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26009591 and 26009600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26009629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13004811 + 13004812.

It is an arithmetic number, because the mean of its divisors is an integer number (13004812).

Almost surely, 2^26009623 is an apocalyptic number.

26009623 is a deficient number, since it is larger than the sum of its proper divisors (1).

26009623 is an equidigital number, since it uses as much as digits as its factorization.

26009623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 26009623 is about 5099.9630390818. The cubic root of 26009623 is about 296.2861511783.

Adding to 26009623 its reverse (32690062), we get a palindrome (58699685).

The spelling of 26009623 in words is "twenty-six million, nine thousand, six hundred twenty-three".